The Butanoic acid,4-amino-3-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-4-oxo-, (3S)-, with the CAS registry number 200335-40-6, is also known as Fmoc-L-isoasparagine. This chemical's molecular formula is C₁₉H₁₈N₂O₅ and molecular weight is 354.3566. What's more, its systematic name which is called N2-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-α-asparagine.

Physical properties about Butanoic acid,4-amino-3-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-4-oxo-, (3S)- are: (1)ACD/LogP: 2.72; (2)#of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.24; (4)ACD/LogD (pH 7.4): -0.5; (5)ACD/BCF (pH 5.5): 2.29; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 24.03; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 7; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 7; (12)Polar Surface Area: 76.15 Å²; (13)Index of Refraction: 1.626; (14)Molar Refractivity: 92.11 cm³; (15)Molar Volume: 260 cm³; (16)Polarizability: 36.51×10^-24 cm³; (17)Surface Tension: 64.1 dyne/cm; (18)Density: 1.362 g/cm³; (19)Flash Point: 354.2 °C; (20)Enthalpy of Vaporization: 102.34 kJ/mol; (21)Boiling Point: 662.1 °C at 760 mmHg; (22)Vapour Pressure: 1.97E-18 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: O=C(O)C[C@@H](C(=O)N)NC(=O)OCC3c1ccccc1c2c3cccc2
(2) InChI: InChI=1/C19H18N2O5/c20-18(24)16(9-17(22)23)21-19(25)26-10-15-13-7-3-1-5-11(13)12-6-2-4-8-14(12)15/h1-8,15-16H,9-10H2,(H2,20,24)(H,21,25)(H,22,23)/t16-/m0/s1
(3) InChIKey: VHRMWRHTRSQVJJ-INIZCTEOBR